hisui (tsukihime), tohno akiha, tohno shiki, tohno shiki (2), tsukihime, highres, 2boys, 2girls, aged down, black hair, blue eyes, blue kimono, blue tank top, brother and sister, brown shorts, dress, grass, head wreath, japanese clothes, kimono, long hair, looking at another, medium hair, multiple boys, multiple girls, on grass, outdoors, red hair, shirt, short hair, shorts, siblings, sleeping, smile, step-siblings, tank top, white shirt